1. As the diaphragm relaxes, inhalation occurs.
A. True
B. False
2. One of the main functions of breathing is to allow oxygen to pass from the alveoli of the lungs into the blood.
A. True
B. False
3. One of the main functions of breathing is to allow carbon dioxide to pass from the blood into the alveoli of the lungs.
A. True
B. False
4. The upper airway includes the main bronchi, trachea, nose, month, and throat.
A. True
B. False
5. The diaphragm is considered a voluntary muscle.
A. True
B. False
6. The diaphragm is considered an involuntary muscle
A. True
B. False
7. A normal respiratory rate should be:
A. 5 to 8 per minute in runners.
B. 12 to 20 per minute in adults.
C. About equal to the person's heart rate.
D. More than 24 per minute in the elderly.
8. Which of the following is NOT a sign cf abnormal breathing?
A. Cyanotic skin
B. Warm, dry skin
C. Unequal breath sounds
D. Muscle retractions between the ribs
9. If breathing stops, the lack of oxygen can cause:
A. Fainting due to brain damage.
B. Brain damage after 4 to 6 minutes.
C. Brain damage after 12 to 15 minutes.
D. Kidney damage before brain damage.
10. The brain stem normally controls breathing by increasing the respiration rate when the:
A. Nitrogen-oxygen levels fall.
B. Nitrogen level in the blood goes down.
C. Oxygen level in the blood goes up.
D. Carbon dioxide level in the blood goes up.
11. What percent oxygen is contained in the air we breath?
A. 11%
B. 16%
C. 21%
D. 78%
12. During normal breathing, the accessory muscles of respiration contract to help squeeze air out of the chest cavity.
A. True
B. False
13. During inhalation, the muscles in the chest wall and the diaphragm are active, causing the pressure to rise inside the chest cavity.
A. True
B. False
14. See-saw respirations in infants is the normal resting pattern.
A. True
B. False
15. Which of the follwing statements regarding problems maintaining an open air-way in a child versus an adult is False?
A. The trachea and larynx are softer.
B. The trachea and larynx are more easily compressed by external pressure
C. . Swelling of the epiglottis is more common.
D. The tongue is relatively smaller in children than in adults when compared to other structures